Home / 49,291.88-68,022.79-28,073.12

Finding the Fourth Proportional to 49,291.88, 68,022.79 and 28,073.12

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Solution

The fourth proportional to 49,291.88, 68,022.79 and 28,073.12 is: 38,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,291.88 : 68,022.79 = 28,073.12 : x
  2. Step 2: Convert to fraction form
    49,291.88/68,022.79 = 28,073.12/x
  3. Step 3: Cross multiply
    49,291.88x = 68,022.79 × 28,073.12
  4. Step 4: Simplify right side
    49,291.88x = 1,909,611,536.11
  5. Step 5: Solve for x
    x = 1,909,611,536.11/49,291.88
  6. Step 6: Final answer
    x = 38,740.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.